What cancers are high in B12?

Other studies focusing on specific cancers have shown a strong association between elevated B12 levels and liver cancers (OR 3.3 [95%CI: 1.1–10.4] for hepatocellular carcinomas and OR 4.7 [95%CI: 1.2–17.9] for other liver cancers) [16], a moderate association with prostate cancer (OR 1.1 [95%CI: 1.0–1.2]) [17], and no ...


Can high B12 levels indicate cancer?

Conclusions: Elevated plasma B12 levels were associated with a higher 1-year cancer risk than normal B12 levels among persons seen in UK primary care, suggesting that some cancers may affect B12 metabolism. Impact: Elevated B12 may mark occult cancer.

What diseases cause high levels of B12?

Conditions that can increase B12 level include:
  • Liver disease (such as cirrhosis or hepatitis)
  • Myeloproliferative disorders (for example, polycythemia vera and chronic myelogenous leukemia)


Is B12 a tumor marker?

Our study is in comply with studies indicating that vitamin B12 can be used as tumor marker as in our study indicates that vitamin B12 is significantly high for the patients with HCC compared to control group and patients with cirrhosis.

What does it mean when your B12 is very high?

High levels of vitamin B-12 can be a sign of liver disease, certain types of leukemia, or diabetes. Vitamin B-12 deficiency is a common condition. Between 1.5 and 15 percent of Americans have low levels of vitamin B-12, according to the National Institutes of Health .


Does Vitamin B12 work against cancer?



Should I be concerned about high B12?

Excess B12 is either stored in the liver, present in the blood without any adverse effects, or excreted. There are no studies investigating the potential clinical effects of high B12 because, in general, there are no known adverse effects caused by elevated B12.

What level of B12 is concerning?

Understanding the Results

But a normal level of vitamin B12 in your bloodstream is generally between 190 and 950 picograms per milliliter (pg/mL). Between 200 to 300 pg/mL is considered borderline and your doctor may do more testing. Below 200 pg/mL is low and more testing is needed.

What are the symptoms of high B12 levels?

High doses of vitamin B-12, such as those used to treat a deficiency, might cause:
  • Headache.
  • Nausea and vomiting.
  • Diarrhea.
  • Fatigue or weakness.
  • Tingling sensation in hands and feet.


How do you get rid of excess B12?

Vitamin B12 is a water-soluble vitamin, and the risks of dose-related side effects are low. Your body can usually get rid of excess vitamin B12 through your urine. In rare cases, high doses of vitamin B12 injections have been associated with skin reactions.

Can multiple myeloma cause high B12?

Background: In patients with multiple myeloma a variety of metabolic events may occur. One of these are changes in the serum cobalamin (vitamin B12) concentration. Elevated as well as decreased serum cobalamin levels have been reported.

Can inflammation cause high B12 levels?

In our own daily practice, we observed spontaneous normalizations of elevated B12 level after the resolution of acute disorders (severe infections, acute inflammatory state due to immune or inflammatory diseases). We therefore hypothesized that acute conditions could have temporarily raised the B12 level.


Does high B12 mean liver damage?

Vitamin B12 is stored primarily in the liver, and highly elevated serum vitamin B12 levels occur in acute hepatitis and severe alcoholic liver disease.

How do I get my B12 back to normal?

The most common way to treat B12 deficiencies is by adjusting your diet. If this is unsuccessful, vitamin supplements may be recommended. If you're looking to boost the amount of vitamin B12 in your diet, you should eat more animal products, like meat, seafood, dairy and eggs.

How long does it take for high B12 levels to drop?

Unlike most other vitamins, B12 is stored in substantial amounts, mainly in the liver, until it is needed by the body. If a person stops consuming the vitamin, the body's stores of this vitamin usually take about 3 to 5 years to exhaust.


What should a women's B12 level be?

A serum vitamin B12 level between 200 pg/mL and 900 pg/mL is considered normal, but a threshold of 300 to 350 pg/mL is recognized as a marker for a desirable status in the elderly. The laboratory diagnosis is usually based on low serum vitamin B12 levels or elevated serum methylmalonic acid and homocysteine levels.

Why is my vitamin B12 over 2000?

Medical conditions that can increase levels of vitamin B12 include liver disease, kidney failure and a group of blood cancers known as myeloproliferative disorders, which includes myelocytic leukemia and a condition that causes an overgrowth of red blood cells called polycythemia vera.

What happens if B12 is left untreated?

Vitamin B12 or folate deficiency anaemia can cause a wide range of symptoms. These usually develop gradually, but can worsen if the condition goes untreated. Anaemia is where you have fewer red blood cells than normal or you have an abnormally low amount of a substance called haemoglobin in each red blood cell.


What depletes vitamin B12?

Lack of vitamin B12 in your diet: People who don't eat enough foods that naturally have vitamin B12 or don't eat foods fortified with vitamin B12 can develop vitamin B12 deficiency. Gastritis: Gastritis is inflammation of the stomach lining, and it's a common cause of vitamin B12 deficiency.

Why is my body not absorbing vitamin B12?

Some conditions that affect your intestines can also stop you absorbing the necessary amount of vitamin B12. For example, Crohn's disease, a long-term condition that causes inflammation of the lining of the digestive system, can sometimes mean your body does not get enough vitamin B12.

Does high B12 mean cirrhosis?

Introduction: Elevated serum vitamin B12 level is frequently seen in cirrhosis due to excess release and/or reduced clearance, and thus has been proposed as a marker to differentiate cryptogenic cirrhosis from non-cirrhotic portal hypertension.


What is the most prominent symptom of multiple myeloma?

Major symptoms of multiple myeloma may include bone pain, especially in the back and the ribs; low levels of circulating red blood cells (anemia) resulting in weakness, fatigue, and lack of color (pallor); and kidney (renal) abnormalities.

What part of the body does multiple myeloma affect?

Multiple myeloma, also known as myeloma, is a type of bone marrow cancer. Bone marrow is the spongy tissue found at the centre of some bones. It produces the body's blood cells. Multiple myeloma affects the plasma cells (a type of blood cell) inside the bone marrow.

What is the number one cause of multiple myeloma?

It's not known exactly what causes multiple myeloma. However, there is a close link between multiple myeloma and a condition called monoclonal gammopathy of unknown significance (MGUS). MGUS is where there is an excess of protein molecules, called immunoglobulins, in your blood.


What are the warning signs of myeloma?

When signs and symptoms do occur, they can include:
  • Bone pain, especially in your spine or chest.
  • Nausea.
  • Constipation.
  • Loss of appetite.
  • Mental fogginess or confusion.
  • Fatigue.
  • Frequent infections.
  • Weight loss.


What labs are abnormal with multiple myeloma?

Laboratory analysis of your blood may reveal the M proteins produced by myeloma cells. Another abnormal protein produced by myeloma cells — called beta-2-microglobulin — may be detected in your blood and give your doctor clues about the aggressiveness of your myeloma.